Origin: Native
Conservation Status: Not of concern
[none provided]
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Montana and Colorado.
Occurring mostly west of the Cascades crest in Washington; southern British Columbia to northern California.
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Montana and Colorado.
Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Saskatchewan and Wyoming.
Occurring on both sides of the Cascades crest in Washington; British Columbia to California and Nevada, east to Alberta, Idaho, Montana, and Wyoming.PNW Herbaria: Specimen records of Spiraea in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Spiraea checklist entry
OregonFlora: Spiraea information
E-Flora BC: Spiraea atlas page
CalPhotos: Spiraea photos